\begin{tabular}{lccccc}
\multicolumn{6}{c}{Descriptive statistics, DZ} \\ \hline
 & (1) & (2) & (3) & (4) & (5) \\
VARIABLES & N & mean & sd & min & max \\ \hline
 &  &  &  &  &  \\
Birth year of twin pair & 6,682 & 1,950 & 4.548 & 1,943 & 1,958 \\
Sex of twin & 6,682 & 0.531 & 0.499 & 0 & 1 \\
Education years & 6,679 & 11.79 & 2.620 & 7 & 19 \\
Orig. EI & 6,432 & 7.715 & 3.622 & -1 & 19 \\
Orig. SI & 6,590 & -3.558 & 2.986 & -13 & 7 \\
New EI & 6,061 & 2.774 & 0.704 & 1 & 5 \\
New SI & 6,414 & 3.342 & 0.757 & 1.110 & 5 \\
PGI EA & 6,682 & 0.00988 & 0.997 & -3.752 & 3.715 \\
earlier\_grades & 6,635 & 3.274 & 1.274 & 1 & 5 \\
ban\_pornography & 6,661 & 3.907 & 1.230 & 1 & 5 \\
limit\_abortion & 6,650 & 1.877 & 1.150 & 1 & 5 \\
harder\_punishment & 6,671 & 3.800 & 1.124 & 1 & 5 \\
language\_test\_citizenship & 6,670 & 3.616 & 1.217 & 1 & 5 \\
fewer\_refugees & 6,651 & 3.204 & 1.227 & 1 & 5 \\
more\_skilled\_immigration & 6,600 & 3.353 & 1.039 & 1 & 5 \\
more\_support\_immigrant\_culture & 6,678 & 3.785 & 0.997 & 1 & 5 \\
decrease\_defense\_spending & 6,610 & 2.653 & 1.060 & 1 & 5 \\
decrease\_public\_sector & 6,588 & 2.491 & 1.206 & 1 & 5 \\
decrease\_welfare & 6,604 & 2.656 & 1.106 & 1 & 5 \\
lower\_taxes & 6,617 & 3.297 & 1.176 & 1 & 5 \\
sell\_public\_enterprise & 6,625 & 2.363 & 1.150 & 1 & 5 \\
more\_private\_healthcare & 6,591 & 2.734 & 1.160 & 1 & 5 \\
more\_free\_trade & 6,561 & 3.594 & 0.919 & 1 & 5 \\
more\_freeschools & 6,618 & 2.545 & 1.076 & 1 & 5 \\
more\_freedom\_companies & 6,625 & 3.257 & 0.981 & 1 & 5 \\
decrease\_finmarket\_impact & 6,542 & 2.415 & 0.947 & 1 & 5 \\
keep\_property\_taxes & 6,589 & 3.354 & 1.239 & 1 & 5 \\
keep\_maxtaxa & 6,554 & 2.399 & 1.027 & 1 & 5 \\
decrease\_economic\_inequality & 6,643 & 2.015 & 0.988 & 1 & 5 \\
less\_carbondioxide & 6,622 & 4.386 & 0.737 & 1 & 5 \\
decrease\_pollution & 6,672 & 4.365 & 0.748 & 1 & 5 \\
 &  &  &  &  &  \\ \hline
\end{tabular}
